Synaptic is a front end for the apt package management system. It allows you to perform all actions of the command line tool apt-get in a graphical environment. This includes installing, upgrading, downgrading and removing of single packages or even upgrading your whole system.
Open Terminal and run the command below:
$ sudo apt-get install synaptic
enock@enock-ubuntu:~$ sudo apt-get install synaptic Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: docbook-xml libept1.4.12 librarian0 rarian-compat sgml-data Suggested packages: docbook docbook-dsssl docbook-xsl docbook-defguide perlsgml w3-recs opensp libxml2-utils dwww menu deborphan tasksel The following NEW packages will be installed: docbook-xml libept1.4.12 librarian0 rarian-compat sgml-data synaptic 0 upgraded, 6 newly installed, 0 to remove and 11 not upgraded. Need to get 3,355 kB of archives. After this operation, 12.4 MB of additional disk space will be used. Do you want to continue [Y/n]?